LION EXPLO TRAINER Bedienungsanleitung

Version 1.1

18/06/19

[USER’S MANUAL

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EXPLO TRAINER

ORIGINAL

USER’S MANUAL

Explo Trainer

User’s Manual

Version 1.1 | 18/06/19

Page 1

Contents

General description 2

Technical specifications 3

Use 4

Channel and language setup 14

Inspection and maintenance 16

Precautions and safety instructions 17

Guarantee 17

Frequently asked questions 18

Explo Trainer

User’s Manual

Version 1.1 | 18/06/19

Page 2

General description

The Explo Trainer has been developed to safely train the use of a four-gas-meter in explosion hazard

situations. No use is made of real gases; instead, transmitters (electronic beacons) are used to simulate

a cloud of gas. As the transmitters are equipped with a field strength regulator, it is possible to simulate

both large and small clouds of gas.

The Student Unit can be adjusted to two types of sensitivity. This enables the user to simulate a large

gas cloud in an open field or in a space, and to simulate a lower, homogenous concentration of gas in a

small space.

The system is capable of simulating four different types of gas:

- Explosive gas (%LEL)

- Oxygen (O2)

- Hydrogen Sulfide (H2S)

- Carbon Monoxide (CO)

The trainee’s gas meter (Student Unit) measures the strength of the signal of the

transmitters, thus simulating one of the four gases (selectable). An alarm sounds if the measured value

exceeds the preset alarm value.

The instructor also receives an alarm signal if one of the alarm values is exceeded. The alarm on the

Student Unit is optical and acoustic. The optical alarm of the Instructor Unit is switched on by default, the

acoustic alarm on the Instructor Unit can be switched on and off.

Per gas type, two alarm levels can be set by the Instructor.

One gas type (user selectable on the Instructor Unit) will be simulated by the transmitters, the other three

gases can be adjusted on the Instructor Unit.

The Student Unit and Instructor Unit communicate with each other using a wireless link. The Student

Unit will always follow the Instructor Unit’s settings for the three gases that are not simulated by the

transmitters.

The set consists of:

- 1 Explo Trainer Instructor Unit

- 1 Explo Trainer Student Unit

- 3 Explo Trainer transmitters

- 1 Explo Trainer measuring probe

- 1 AC/DC Power Supply

- 1 DC Power splitter cable

- 1 User Manual

Explo Trainer

User’s Manual

Version 1.1 | 18/06/19

Page 3

Technical specifications

EXPLO TRAINER Transmitter

Casing material: Aluminum

Transmission point materials: ABS, aluminum

Range (high setting): 8 m (10% LEL)

Range (low setting): 5 m (10% LEL)

Battery: 7.2 V / 700 mAh NiMH

Usable life: approx. 20 hours (fully charged)*

Length of wires: approx. 50 cm (base –transmission point)

approx. 100 cm (transmission points)

Dimensions of transmission points: 53 x 30 x 25 mm

Dimensions of signal unit: 110 x 57 x 35 mm

Weight: 390 g

EXPLO TRAINER Student/Instructor Unit

Casing material: ABS, PMMA

Material of display window: Polycarbonate

Display: graphic 122 x 32 px, white/blue

Alarm: Optical and auditory:

- Slow and fast alarm (when preset measured

values are exceeded), user configurable

- Low battery power

Max. distance from Instructor Unit: approx. 35 m in open space

Radio frequency: 869.5 MHz

Transmitting power: 10 mW

Battery: 7.2 V / 700 mAh NiMH

Usable life: approx. 8 hours (fully charged)*

Dimensions: 167 x 84 x 30 mm

Weight: 270 g

Measuring range: %LEL: 0 –100 in steps of 1

%O2: 0 –25.5 in steps of 0.1

ppm H2S: 0 –200 in steps of 1

ppm CO: 0 –500 in steps of 1

EXPLO TRAINER Battery Charger

Version: Power adapter 12V/1.25A DC with 5 way splitter

cable

Casing material: ABS

Supply voltage: 100 –240V AC 50/60Hz 0.5A max

Number of channels: 5 (using the splitter cable)

Charging time 700mAh battery: max. 4 hours

Weight: 120 grams

*New NiMH batteries need to be charged and used for a couple of times before they reach full

capacity. Therefore, it is possible that usable life of the battery is significantly shorter in the first

charge/use cycles.

Explo Trainer

User’s Manual

Version 1.1 | 18/06/19

Page 4

Use

Transmitters

The transmitters form the source of the simulated cloud of gas.

In order to control the size of the cloud of gas, all transmitters are equipped with a field

strength regulator, allowing the range to be set.

Positioning

- Position one or more transmitters in the area in which the gas cloud is to be simulated.

The control unit can be positioned out of sight, and the much smaller transmission points can

be positioned inconspicuously, as long as the Student Unit can receive information from the

transmission points. The best effects are achieved when all three transmitters are positioned

in such a way that they combine to form a circle within which the gas cloud can be detected

(figure 3.1).

Figure 3.1: Position the transmitters in a circle for the best results

Explo Trainer

User’s Manual

Version 1.1 | 18/06/19

Page 5

Operation

Controls and indicator on the transmitter (figure 3.2):

(1) Power indicator (Red)

(2) Charger indicator (Green)

(3) High setting (large gas cloud)

(4) Low setting (small gas cloud)

(5) Charging connector

(6) Power switch

Switching on

-Push the left-hand switch upwards (6).

The power indicator (1) will flash, and the set signal will be emitted.

Field Strength

The transmitter has two different field strengths, to be able to make larger and smaller gas clouds.

High field strength

-Push the right-hand switch upwards (3).

The transmission points now have a range of approx. 8 meters (10% LEL) in an open space.

The range is greatly dependent on reflections in the area. It is therefore possible for the range to vary in

the vicinity of obstacles.

Low field strength

-Push the right-hand switch downwards (4).

The transmission points now have a range of approx. 5 meters (10% LEL) in an open space.

The range is greatly dependent on reflections in the area. It is therefore possible for the range to vary in

the vicinity of obstacles.

Switching off

-Push the left-hand switch downwards (6).

The indicator (6) will stop flashing, and the transmitter will stop emitting signals.

Charging

-Connect the transmitter’s charging connector (5) to the battery charger and plug the wall adaptor

in the wall outlet.

The transmitter will then be switched off electronically, irrespective of the position of the on-off switch.

The green charging indicator will start blinking. When the battery is full, the charging indicator lights

continuously.

When a battery is completely empty before recharging, the device will start a trickle charge cycle to

prevent battery damage. The green charging indicator will immediately light continuously. Leave the

charger connected, the charger will recover the battery in a safe way. After approximately four to six

hours, the battery will be fully charged.

Figure 3.2: Controls of the Transmitter

Explo Trainer

User’s Manual

Version 1.1 | 18/06/19

Page 6

A normal full charging cycle will take approximately 4 hours. The charging circuit continuously monitors

the battery status and switches to trickle charge when the battery is fully charged.

Generally speaking, it is sufficient to charge up all the transmitters at the same time as the Instructor Unit

and Student Unit, to always have a working set. If the range of a transmitter becomes significantly

weaker before the batteries of the Instructor Unit or Student Unit are empty, the battery power level is

very low and must be charged up before continuing with the training.

The transmitter is not equipped with a dedicated battery indicator. However, when the battery is empty,

the power indicator will light continuously. The transmitter will not operate reliable anymore, the battery

needs to be recharged.

Student Unit

Operation

The Student Unit is operated by means of a single button, controlling all the functions of the gas meter.It

features optical and auditory alarms and has the option of connecting a measuring probe.

Connectors, controls and indicators of the Student

(1) Measuring sensor

(2) Measuring probe connector

(3) Optical alarm & charger indicator (front)

(4) Optical alarm (top)

(5) LCD Display

(6) Power button

(7) Charger connector

Switching on

-Press the power button (6) briefly.

The device will switch itself on and give a short optical signal (3,4) and

a short beep. The device will start up and shortly show the LION

logo on the display (5) (figure 3.3).

The device will then automatically switch to measuring mode.

Four measurements are shown:

•Lower Explosion Limit (%LEL)

•Oxygen (O2)

•Hydrogen Sulfide (H2S)

•Carbon Monoxide (CO)

The wireless communication channel and internal

battery level are shown on the right.

Figure 3.3: Controls of the Student Unit

Figure 3.4: Measuring mode display

Explo Trainer

User’s Manual

Version 1.1 | 18/06/19

Page 7

Measuring

-Use the device to “search” for gases, as one would do with a normal gas meter.

The meter will display a reading if the holder enters the area of range of a transmitter, or if the Instructor

has manually changed a value.

If one of the measurements exceeds the preset lowest alarm level A1, the meter will give a normal alarm

signal; the optical alarms will flash in red and a sound will be emitted.

If one of the measurements exceeds the preset highest alarm level A2, the meter will give a fast alarm

signal; the optical alarms will flash fast in red and a faster sound will be emitted.

The text of the gas causing the alarm will blink to indicate the cause of the alarm.

An alarm will continue as long as one of the measurements is beyond the alarm limit.

Taking measurements using an external measuring probe

The supplied measuring probe can be used to take spot measurements. The built-in sensor is

deactivated automatically when the probe is connected to the Student Unit’s connector (2).

Measurements are then only taken using the probe.

-Take the probe and connect the probe’s connector to the connector (2) of the Student Unit.

Maximum and minimum measured values

Display maximum measured values

-Press the button briefly to show the

maximum measured values on the display.

The meter will show the maximum measured

Values on the display (figure 3.5), and then

automatically switch back to measuring mode after six seconds.

Delete maximum measured values

-When the maximum measured values are shown,

press and hold the button for two seconds.

The maximum measured values will be deleted. After six seconds, the Student Unit will automatically

switch back to measuring mode.

Display minimum measured Oxygen value

-Press the button twice (briefly) to show the

minimum measured Oxygen value

on the display.

The meter will show the minimum measured Oxygen value

on the display (figure 3.6), and then automatically switch

back to measuring mode after six seconds.

Delete minimum measured Oxygen value

-When the minimum measured Oxygen value is shown,

press and hold the button for two seconds.

The minimum measured Oxygen value will be deleted. After six seconds, the Student Unit will

automatically switch back to measuring mode.

Figure 3.5: Maximum values display

Figure 3.6: Minimum values display

Explo Trainer

User’s Manual

Version 1.1 | 18/06/19

Page 8

Switching off

-When in measuring mode, press and hold the button for four seconds, until the LION logo

appears on the display.

The device will give a brief signal (optical and auditory). When the button is released, the device will

switch itself off.

Battery level indicator

The battery level is shown in the bottom right corner of the display. Figure 3.7 explains the meanings of

the symbols. When the battery is empty, the device gives two short signals (optical and acoustic) every

30 seconds to indicate that the battery needs to be recharged. Finish the training exercise, and then

recharge the unit.

If the battery power becomes too low, the device will switch itself off automatically, in order to prevent

damage to the battery.

Battery fully charged.

Battery half charged. No need to recharge yet.

Battery power low.

Figure 3.7: Battery indicators.

Charging

-Connect unit’s charger connector (7) to the battery charger and plug the wall adaptor in the wall

outlet.

If the device was powered on, it will be switched off electronically. The front green charging indicator (3)

will start blinking. When the battery is full, the charging indicator lights continuously.

When a battery is completely empty before recharging, the device will start a trickle charge cycle to

prevent battery damage. The green charging indicator will immediately light continuously. Leave the

charger connected, the charger will recover the battery in a safe way. After approximately four to six

hours, the battery will be fully charged.

A normal full charging cycle will take approximately 4 hours.

The charging circuit continuously monitors the battery status and switches to trickle charge when the

battery is fully charged.

Explo Trainer

User’s Manual

Version 1.1 | 18/06/19

Page 9

Instructor Unit

Operation

The Instructor Unit is operated by means of four buttons.

It features the same optical and auditory alarms as the Student

Unit does. Almost all settings of the system are made via the

Instructor Unit, which sends these to the Student Unit via a

wireless link.

Connector, controls and indicators of the Instructor Unit:

(1) Optical alarm and charger indicator (front)

(2) Optical alarm (top)

(3) LCD Display

(4) Power button

(5) Charger connector

(6) Mode button

(7) Up button

(8) Down button

Switching on

-Press the Power button (4) briefly.

The device will switch itself on and give a short optical signal (3,4) and a short beep. The device will start

up and shortly show the LION logo on the display (5) (figure 3.8).

The device will then automatically switch to measuring mode.

Four measurements are shown:

•Lower Explosion Limit (%LEL)

•Oxygen (O2)

•Hydrogen Sulfide (H2S)

•Carbon Monoxide (CO)

The transmitter symbol (shown at “%LEL in figure 3.9) shows which measurement is responding on the

transmitters.

The arrow symbol (shown at “%O2” in figure 3.9) shows which measurement is currently selected to be

adjustable manually using the up and down buttons.

The wireless communication channel and internal battery level are shown on the right.

The Instructor Unit will continuously search for a Student Unit at the selected channel.

If a Student Unit is present, the puppet symbol will show on the left side of the display. The battery under

the puppet symbol gives information about the Student Unit’s battery level.

If no Student unit is present, both the puppet symbol and the left battery symbol are not shown.

Figure 3.8: Controls of the Instructor Unit

Figure 3.9: Measuring mode display

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